Answer on Inorganic Chemistry Question for chase
6 M HCl. The precipitate is insoluble in hot water. The residue turns black on
addition of ammonia. Which of the ions are present, which are absent, and which
remain undetermined? State your reasoning. Note: On paper unknowns such as this
one, conﬁrmatory tests are usually not included.
Hg2Cl2(s) + 2NH3(aq) --> Hg(s) + HgNH2Cl(s) + NH4Cl (aq) (Hg is black precipitate)
AgCl is undetermined
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